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Displaying items by tag: High Arctic

A humpback whale regularly spotted in Ireland’s South West has been traced to Norwegian waters in the first confirmed link between our two countries, according to the Irish Whale and Dolphin Group (IWDG).

Researchers and citizen scientists in the Happywhale collective made the discovery last week as they matched images of #HBIRL43 — first recorded in Ireland in 2015 — with a whale sighted in the waters of the High Arctic in the vicinity of the Svalbard arcipelago.

“This is our first international re-sighting of this individual who was the first humpback recorded this season off the Stag Rocks in West Cork,” IWDG sightings officer Pádraig Whooley says.

“We documented it this spring/summer on four occasions between 27 April and 6 June. This match suggests it travelled a minimum distance of 3,800km over a period of 75 days, a daily average of 50km.

File image of HBIRL43 sighted off off Toe Head in West Cork | Credit: Dan LetticeFile image of HBIRL43 sighted off off Toe Head in West Cork | Credit: Dan Lettice

“This sighting puts it circa 900km further north of the last known position of #HBIRL07 and is our only humpback to be recorded in what we’d term the High Arctic.”

It wasn’t the only remarkable news this week, as Whooley confirms that another Norwegian whale, #NA09849 — which has been sighted regularly off Tromso and Iceland over the last decade — was photographed this past June some 500km west of the Aran Islands.

“We’ve decided that, as this animal was so far offshore and well outside the Irish EEZ in international waters, for now anyway we’d keep it off the Irish catalogue,” he says.

“But it’s another important link to Norway and who knows just how useful these offshore encounters may prove to be in years to come as IWDG continue to unravel the mystery of this most iconic of our whales.”

Published in Marine Wildlife

The Half Ton Class was created by the Offshore Racing Council for boats within the racing band not exceeding 22'-0". The ORC decided that the rule should "....permit the development of seaworthy offshore racing yachts...The Council will endeavour to protect the majority of the existing IOR fleet from rapid obsolescence caused by ....developments which produce increased performance without corresponding changes in ratings..."

When first introduced the IOR rule was perfectly adequate for rating boats in existence at that time. However yacht designers naturally examined the rule to seize upon any advantage they could find, the most noticeable of which has been a reduction in displacement and a return to fractional rigs.

After 1993, when the IOR Mk.III rule reached it termination due to lack of people building new boats, the rule was replaced by the CHS (Channel) Handicap system which in turn developed into the IRC system now used.

The IRC handicap system operates by a secret formula which tries to develop boats which are 'Cruising type' of relatively heavy boats with good internal accommodation. It tends to penalise boats with excessive stability or excessive sail area.

Competitions

The most significant events for the Half Ton Class has been the annual Half Ton Cup which was sailed under the IOR rules until 1993. More recently this has been replaced with the Half Ton Classics Cup. The venue of the event moved from continent to continent with over-representation on French or British ports. In later years the event is held biennially. Initially, it was proposed to hold events in Ireland, Britain and France by rotation. However, it was the Belgians who took the ball and ran with it. The Class is now managed from Belgium. 

At A Glance – Half Ton Classics Cup Winners

  • 2017 – Kinsale – Swuzzlebubble – Phil Plumtree – Farr 1977
  • 2016 – Falmouth – Swuzzlebubble – Greg Peck – Farr 1977
  • 2015 – Nieuwport – Checkmate XV – David Cullen – Humphreys 1985
  • 2014 – St Quay Portrieux – Swuzzlebubble – Peter Morton – Farr 1977
  • 2013 – Boulogne – Checkmate XV – Nigel Biggs – Humphreys 1985
  • 2011 – Cowes – Chimp – Michael Kershaw – Berret 1978
  • 2009 – Nieuwpoort – Général Tapioca – Philippe Pilate – Berret 1978
  • 2007 – Dun Laoghaire – Henri-Lloyd Harmony – Nigel Biggs – Humphreys 1980~
  • 2005 – Dinard – Gingko – Patrick Lobrichon – Mauric 1968
  • 2003 – Nieuwpoort – Général Tapioca – Philippe Pilate – Berret 1978

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